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Physics

Physics
Light travels slowest in

Air
Vacuum
Water
Glass

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Physics
A particle is thrown vertically upward. When it reaches the highest point, it has

An upward acceleration
A horizontal velocity
A downward velocity
A downward acceleration

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Physics
A person does some work of 1,000 J in 2 s. His power will be ________

25W
500W
1000W
50W

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Physics
If a body moves with a constant speed in a circle

Its velocity remains constant
No work is done on it
No force acts on it
No acceleration is produced in it

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Physics
The magnifying power of an astronomical telescope can be decreased by

None of these
Decreasing the focal length of the eyepiece
Increasing the focal length of the objective
Increasing the focal length of the eyepiece

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Physics
The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.

2 s
2 m
2 m/s
2 m/sq.s

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MORE MCQ ON Physics

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